/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --teal: #008080;
  --aquamarine: #7FFFD4;
  --bright-teal: #01F9C6;
  --cadet-blue: #5F9EA0;
  --caribbean-green: #00CC99;
  --common-teal: #009193;
}

/* animación de fondo RGB */
@keyframes bgRGB {
  0%   { background-color: var(--teal); }
  20%  { background-color: var(--aquamarine); }
  40%  { background-color: var(--bright-teal); }
  60%  { background-color: var(--cadet-blue); }
  80%  { background-color: var(--caribbean-green); }
  100% { background-color: var(--common-teal); }
}

/* animación de fade-in */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

body {
  /* gradiente base */
  /* primero aparece (fadeIn), luego empieza el ciclo RGB */
  animation:
    fadeIn 1s ease forwards,
    bgRGB 15s ease-in-out infinite alternate;
  font-family: Arial, sans-serif;
  color: #000;
  line-height: 1.6;
  margin: 0;
}


/* Damos padding al contenido principal */
main {
  padding: 20px;  /* espacio interior del main */
}

/* Eliminamos el subrayado para todos los enlaces */
a {
  text-decoration: none;
}

/* Enlaces específicos en las tarjetas */
.main-news-link {
  display: block;
  color: inherit;
}

/* Clickable efecto */
.clickable {
  cursor: pointer;
}

/* ==== Mensaje destacado ==== */
.featured-message {
  width: 80%;
  margin: 20px auto;
  padding: 25px;
  background-color: rgba(255, 255, 255, 0.85);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease;
}

.featured-message:hover {
  transform: translateY(-5px);
}

.featured-message h3 {
  color: #009193;
  margin-bottom: 10px;
  font-size: 1.8em;
}

.featured-message p {
  font-size: 1.2em;
  line-height: 1.6;
  color: #333;
}

/* ==== Slider moderno con verde menta (tamaño aumentado) ==== */
.modern-slider {
  width: 85%; /* Aumentado de 75% a 85% */
  margin: 0 auto 30px;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  height: 350px; /* Aumentado de 280px a 350px */
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  border: 3px solid #01BDA3; /* Borde verde menta */
}

.modern-slider img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
}

.modern-slider img.active {
  opacity: 1;
}

.slider-controls {
  position: absolute;
  bottom: 15px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
  z-index: 5;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  background-color: #01BDA3; /* Verde menta para el dot activo */
  transform: scale(1.2);
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: all 0.3s ease;
  font-weight: bold;
}

.slider-arrow:hover {
  background-color: #01BDA3; /* Verde menta al hacer hover */
  color: white;
}

.slider-prev {
  left: 15px;
}

.slider-next {
  right: 15px;
}

/* Título de sección */
.section-title {
  color: #fff;
  text-align: center;
  margin: 40px 0 20px;
  font-size: 1.8em;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

/* ==== Swiper Estilos (tarjetas ligeramente más grandes) ==== */
.swiper-container {
  width: 100%;
  padding: 30px 10px;
  overflow: hidden;
}

.swiper-slide {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  height: 340px; /* Aumentado de 320px a 340px */
  overflow: hidden;
  transition: all 0.3s ease;
  border-top: 3px solid #01BDA3;
}

.swiper-slide:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.swiper-slide a {
  color: inherit;
  text-decoration: none;
  display: block;
  height: 100%;
}

.card-image {
  height: 160px; /* Aumentado de 150px a 160px */
  width: 100%;
  object-fit: cover;
}

.card-content {
  padding: 15px;
}

.card-title {
  font-size: 16px;
  font-weight: bold;
  margin: 0 0 10px;
  color: #009193;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 44px; /* Aumentado de 40px a 44px */
  text-overflow: ellipsis; /* Para asegurar que se muestre "..." */
}

.card-description {
  font-size: 14px;
  color: #555;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 64px; /* Aumentado de 60px a 64px */
  text-overflow: ellipsis; /* Para asegurar que se muestre "..." */
}

.card-date {
  font-size: 12px;
  color: #999;
  display: block;
  margin-top: 5px;
}

.card-more {
  display: inline-block;
  color: #01BDA3;
  font-size: 14px;
  font-weight: 500;
  margin-top: 5px;
  transition: color 0.3s ease;
}

/* Swiper Navigation */
.swiper-button-next, 
.swiper-button-prev {
  color: #01BDA3;
  background: rgba(255, 255, 255, 0.8);
  width: 35px;
  height: 35px;
  border-radius: 50%;
  --swiper-navigation-size: 18px;
}

.swiper-button-next:hover, 
.swiper-button-prev:hover {
  background: #01BDA3;
  color: white;
}

/* Swiper Pagination */
.swiper-pagination-bullet {
  background: #01BDA3;
  opacity: 0.5;
}

.swiper-pagination-bullet-active {
  opacity: 1;
  background: #01BDA3;
}